<!DOCTYPE HTML>
<html>
<body>

<canvas id="myCanvas" width="200" height="100" style="border:1px solid #c3c3c3;">
    Your browser does not support the canvas element.
</canvas>

<script type="text/javascript">

    var c=document.getElementById("myCanvas");
    var cxt=c.getContext("2d");
    cxt.fillStyle="#FF0000";
    cxt.beginPath();
    cxt.arc(70,18,15,0,Math.PI * 1.5,true);
    cxt.closePath();
    cxt.fill();

</script>

</body>
</html>
